A relative file consists of a specified number of areas. Each of these areas can contain a record, or it can be empty.
To identify an area in a relative file, you use a relative record number that indicates the area’s relative position in the file.
Select statement looks like this:
system-name is equal to DD name.
In the Select statement we write as:
SELECT INVMAST ASSIGN TO INVMAST
ORGANIZATION IS RELATIVE
ACCESS IS SEQUENTIAL/RANDOM
RELATIVE KEY IS INVMAST-RR-NUMBER.
We can open the files:
Start the record:
Delete the record:
DELETE file-name RECORD
[INVALID KEY imperative-statement-1]
[NOT INVALID KEY imperative-statement-2]
Closing file name:
Read/Write/Re-write I will give about these in my next post.